The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 1994
Filed:
Dec. 24, 1992
Applicant:
Inventor:
Thomas Gebele, Freigericht, DE;
Assignee:
Leybold Aktiengesellschaft, Hanau, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ; H01F / ;
U.S. Cl.
CPC ...
335298 ; 335211 ; 335302 ; 20429816 ;
Abstract
The invention relates to a magnet configuration with permanent magnets (5, 6) around a yoke (2, 3, 4) connecting these permanent magnets (5, 6). The magnetic field strength of this magnet configuration is varied thereby that in the region of the yoke (2, 3, 4) at least one rotatable body (8) is provided which comprises at least two spatially separated materials (9, 10) with different magnetic properties.